Parioglossus raoi Rao's hover goby, Wormfish, Yellow Dartfish

Parioglossus raoi is commonly referred to as Rao's hover goby, Wormfish, Yellow Dartfish. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.

Dr. Klaus M. Stiefel, Philippinen

Foto: Dauin, Philippinen

18. Oktober 2025 / Schwimmen mit einer Gruppe von Trimma-Grundeln.
Courtesy of the author Dr. Klaus M. Stiefel, Philippinen Copyright Klaus Stiefel

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lexID:: 17813
AphiaID:: 278758

Scientific:: Parioglossus raoi
German:: Pfeilgrundel, Wurmgrundel
English:: Rao's Hover Goby, Wormfish, Yellow Dartfish

Category:: Gobidi

Family tree:: Animalia (Kingdom) > Chordata (Phylum) > Teleostei (Class) > Gobiiformes (Order) > Microdesmidae (Family) > Parioglossus (Genus) > raoi (Species)
Initial determination:: (Herre, ), 1939

Occurrence:: Vereinigte Arabische Emirate, Kuwait, Andaman and Nicobar Islands, Arabian Sea, Australia, Bahrain, Eastern Indian Ocean, Fiji, Flores, Gulf of Oman / Oman, Indonesia, Irak, Japan, Komodo (Komodo Island), Malaysia, Maumere, Micronesia, Papua, Papua New Guinea, Philippines, Quatar, Saudi Arabia, Singapore, Solomon Islands, Taiwan, The Ryukyu Islands, Timor, Tonga, Vanuatu, West-Atlantic Ocean
Marine Zone:: Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters
Sea depth:: 0 - 5 Meter
Habitats:: Brackish water, Coastal waters, Estuaries (river mouths), Mangrove Zones, Marine / Salt Water, Muddy grounds, Reef crevices, Reef holes, Reef-associated, Rocky, hard seabeds, Rubble floors, Sandy sea floors, Underwater caves, Underwater caverns
Size:: 3,5 cm
Temperature:: 26,4 °F - 29,3 °F (26,4°C - 29,3°C)
Food:: Blackworms, Brine Shrimp Nauplii, Brine Shrimps, Copepods, Crustacean larvae , Daphnia salina, Echinoderm larvae, Invertebrates, Microworms (Nematodes), Mysis, Sludge worm , Zooplankton
Difficulty:: There are no reports available yet that this animal has already been kept in captivity successfully
Offspring:: Not available as offspring
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Least concern (LC)

Related species at Catalog of Life:

Parioglossus aporos
Porenlose Pfeilgrundel
Parioglossus caeruleolineatus
Parioglossus dotui
Pfeilgrundel
Parioglossus formosus
Grundel
Parioglossus galzini
Wurmgrundel
Parioglossus interruptus
Pfeilgrundel
Parioglossus lineatus
Parioglossus marginalis
Parioglossus multiradiatus
Pfeilgrundel, Wurmgrundel
Parioglossus neocaledonicus
Parioglossus nudus
Parioglossus palustris
Parioglossus philippinus
Pfeilgrundel
Parioglossus rainfordi
Rainfords Pfeilgrundel
Parioglossus raoi
Pfeilgrundel, Wurmgrundel
Parioglossus senoui
Parioglossus sinensis
Parioglossus taeniatus
Parioglossus triquetrus
Parioglossus verticalis
Parioglossus winterbottomi
Grundel

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2025-10-19 08:51:58
Last edit:: 2025-10-21 18:51:15

Info

Parioglossus raoi is a small yellowish torpedo goby with a fairly large distribution range.

Parioglossus raoi is a reef-associated species that forms groups in brackish to marine shallow waters, mangroves, estuaries, and coastal habitats (Allen and Erdmann 2012, Hoese 2012, Larson 2022).
Reference: IUCN Red List of Threatened Species. Version 2025-2.

External links

FishBase (multi). Abgerufen am 19.10.2025.
IUCN Red List of Threatened Species (multi). Abgerufen am 19.10.2025.
Quality Marine (en). Abgerufen am 19.10.2025.

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